This original postcard is from the 1933 Century Of Progress (Chicago World's Fair) which was held in Chicago. It is in very good condition with slight dirt and the front features the "Electrical Building by Night". The reverse side features a postcard format, which is unused and paragraph that says "Showing a part of the Electrical Group, which consists of three sections located on Northerly Island." and measures approx. 5 1/2" x 3 1/2"